var createError = require("http-errors");
var express = require("express");
var path = require("path");
var cookieParser = require("cookie-parser");
var logger = require("morgan");

var app = express();

// view engine setup
app.set("views", path.join(__dirname, "views"));
app.set("view engine", "jade");

app.use(logger("dev"));
app.use(express.json());
app.use(express.urlencoded({ extended: false }));
app.use(cookieParser());
app.use(express.static(path.join(__dirname, "code/public")));
// catch 404 and forward to error handler
// app.use(function(req, res, next) {
//   next(createError(404));
// });

// error handler
app.use(function(err, req, res, next) {
    // set locals, only providing error in development
    res.locals.message = err.message;
    res.locals.error = req.app.get("env") === "development" ? err : {};
    // render the error page
    res.status(err.status || 500);
    res.render("error");
});

const usersApi = require("./routes/api/users");
const shopApi = require("./routes/api/shopApi");
const orderApi = require("./routes/api/orders");
const rechargeApi = require("./routes/api/recharge");
const commentsApi = require("./routes/api/comments")
    // 允许跨域
app.all("*", function(req, res, next) {
    console.log(req.headers.origin);
    console.log(req.environ);
    // res.header("Access-Control-Allow-Origin", req.headers.origin);
    //设置允许跨域的域名，*代表允许任意域名跨域
    res.header("Access-Control-Allow-Origin", "*");
    //允许的header类型
    res.header("Access-Control-Allow-Headers", "content-type");
    //跨域允许的请求方式
    res.header("Access-Control-Allow-Methods", "DELETE,PUT,POST,GET,OPTIONS");
    if (req.method === "OPTIONS") res.send(200); /*让options请求快速返回*/
    else next();
});

app.use("/users", usersApi);
app.use("/shop", shopApi);
app.use("/order", orderApi);
app.use("/recharge", rechargeApi);
app.use("/comments", commentsApi);

app.listen(3000, () => {
    console.log("服务器已启动..");
});
module.exports = app;